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    • Allelopathy: current status of research and future of the discipline: a commentary.

    Author(s) : Duke, S. O.

    Author Affiliation : United States Department of Agriculture, Agricultural Research ServiceNatural Products Utilization Research Unit P. O. Box 8048, University, MS 38677, USA.

    Author Email : Stephen.duke@ars.usda.gov

    Editors : Zeng, R. S.

    Journal article; Conference paper : Allelopathy Journal 2010 Vol.25 No.1 pp.17-30 ref.83

    Conference Title : Allelopathy research in Asia. First International Allelopathy Conference of the Asian Allelopathy Society, Guangzhou, China, 18-22 December 2009.

    Abstract : The study of allelopathyallelopathySubject Category: Miscellaneous
    see more details     as a discipline has a long and at times controversial history. Since Hans Molisch coined the term before World War II, allelopathy research has grown from a trickle of papers before 1970 to a burgeoning subdiscipline of chemical ecology represented by hundreds of papers each year. Yet, allelopathy research still suffers from a reputation for papers of poor scientific quality that equate the presence of a phytotoxic phytochemical as proof of an allelochemical function without regard for proving that the compound is bioavailable in soil at sufficient concentrations to affect vegetation either directly or indirectly through effects on soil microbes. Synergism has often been invoked without proof to explain why effects of crude extracts are sometimes greater than even the additive effects of phytotoxins known to be in the extract. Much of this work may be correct, but to be widely accepted more rigorous proof is needed. Much of this literature also makes the assumption that allelochemicalsallelochemicalsSubject Category: Chemicals and Chemical Groups
    see more details     must be highly water soluble, when there are good scientific reasons to hypothesize that the most effective allelochemicals would have very limited water solubility. Very little is known about the mode of action of and mechanisms of resistance to putative allelochemicals. Nevertheless, the quality and quantity of papers on allelopathy has increased steadily over the past several decades and knowledge gaps are being filled at an ever increasing pace. There can be little doubt that allelopathy plays an important role in plant/plant interactions in nature and in agriculture. Translating this growing knowledge to technology to manage weedsweedsSubject Category: Organism Groups
    see more details     in agriculture has been slow. There is only one good case of discovery of an allelochemical (leptospermone) leading to the development of a major class of herbicides (triketones). There are examples of allelopathic cover cropscover cropsSubject Category: Organism Groups
    see more details    cover cropsSubject Category: Commodities and Products
    see more details     being used for weed management in other crops, as well as other cultural methods to employ allelopathy. However to my knowledge, there are still no cultivars of crops being sold with allelopathic properties as a selling point. Enhancement or impartation of allelopathy in crops through the use of transgenes could eventually be used to produce such a cultivar. Some of the most high profile recent examples of research in our discipline will be discussed. The study of allelopathy appears to have a bright future, especially if we can translate our research into technologies that will reduce our reliance on synthetic herbicides.

    ISSN : 0971-4693

    Record Number : 20103048898

    Publisher : International Allelopathy Foundation

    Location of publication : Rohtak

    Country of publication : India

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : plantsplantsSubject Category: Organism Names
    see more details

    Descriptor(s) : allelochemicalsallelochemicalsSubject Category: Chemicals and Chemical Groups
    see more details    , allelopathyallelopathySubject Category: Miscellaneous
    see more details    , cover cropscover cropsSubject Category: Commodities and Products
    see more details    , cropscropsSubject Category: Commodities and Products
    see more details    , genetic engineeringgenetic engineeringSubject Category: Techniques, Methodologies and Equipment
    see more details    , genetic transformationgenetic transformationSubject Category: Techniques, Methodologies and Equipment
    see more details    , genetically engineered organismsgenetically engineered organismsSubject Category: Organism Groups
    see more details    , herbicidal propertiesherbicidal propertiesSubject Category: Properties
    see more details    , lactoneslactonesSubject Category: Chemicals and Chemical Groups
    see more details    , transgenic plantstransgenic plantsSubject Category: Organism Groups
    see more details    , weedsweedsSubject Category: Organism Groups
    see more details

    Identifier(s) : allelochemics, genetic manipulation, genetically engineered plants, genetically modified organisms, genetically modified plants, GEOs, GMOs, transgenic organisms

    Broader term(s) : eukaryoteseukaryotesSubject Category: Organism Names
    see more details

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